Madeiranzonia gibbera (R.B.Watson, 1873) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Rissoidae genus Madeiranzonia species Madeiranzonia gibbera Name Synonyms Manzonia gibbera (R.B.Watson, 1873) Rissoa gibbera R.B.Watson, 1873 Homonyms Madeiranzonia gibbera (R.B.Watson, 1873)